/* 清除公共样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
/*   li{
    list-style: none;
  } */
a {
  text-decoration: none;
  color: #fff;
}
div {
  caret-color: rgba(0, 0, 0, 0);
}
/* 清除公共样式 */
body {
  background-image: url(../images/desktop_1.jpg);
  background-repeat: repeat;
  transition: all 0.5s;
}
/* 大盒子属性 */
.head {
  display: flex;
  margin: 0 auto;
  width: 1240px;
  flex-direction: column;
  /* 头部背景图片 */
}
.head .headbg {
  display: flex;
  width: 100%;
  height: 350px;
  justify-content: space-around;
  align-items: center;
  /* 添加点击类名样式 */
  /* 添加点击类名样式 */
}
.head .headbg .bg {
  width: 220px;
  height: 180px;
  cursor: pointer;
  text-align: center;
  border-radius: 10px;
}
.head .headbg .bg img {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 10px;
  box-shadow: 0px 4px 8px 5px #ccc;
}
.head .headbg .tpyf {
  opacity: 0.5;
  border: 2px solid red;
}
/* 大盒子属性 */
/* 头部背景图片 */
/* case案例导航部分 */
.case_nav {
  display: flex;
  width: 100%;
  height: 600px;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  /* case内容部分 */
}
.case_nav .case {
  width: 220px;
  height: 250px;
  border-radius: 10px;
  margin-top: 30px;
  position: relative;
}
.case_nav .case fieldset {
  width: 220px;
  height: 250px;
  border-radius: 10px;
  box-shadow: 0px 4px 8px 5px #ccc;
}
.case_nav .case fieldset legend {
  text-align: center;
  color: #fff;
}
.case_nav .case fieldset ol {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  flex-direction: column;
  margin-left: 30px;
  font-size: 16px;
  color: #fff;
}
.case_nav .case fieldset ol li > :hover {
  color: #ef7979;
  font-weight: bold;
}
/* 添加元素模块 */
.add {
  width: 250px;
  height: 300px;
  background-color: #ccc;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-left: 10px;
  border-radius: 10px;
  position: fixed;
  top: 200px;
  right: 75px;
  visibility: hidden;
  color: #fff;
  box-shadow: 0px 4px 8px 5px #ccc;
  border: 1px solid #000;
}
.add div {
  width: 100%;
  font-size: 16px;
  font-weight: bold;
}
.add h4 {
  width: 100%;
  text-align: center;
  margin-top: 8px;
}
.add > :last-child {
  text-align: center;
}
.add > :last-child button {
  background-color: #fff;
  border: 1px solid #ccc;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0px 4px 8px 5px #ccc;
  border-radius: 2px;
  font-size: 14px;
  width: 70px;
}
/* 右侧导航栏模块 */
.nav {
  display: flex;
  position: fixed;
  top: 300px;
  right: 0px;
  justify-content: space-between;
  flex-wrap: wrap;
  width: 70px;
  height: 100px;
  align-items: center;
}
.nav .nav_add,
.nav .nav_top {
  text-align: center;
  background-color: #ccc;
  color: #fff;
  width: 100%;
  height: 40px;
  line-height: 40px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: bold;
  box-shadow: 0px 4px 8px 5px #ccc;
  border: 1px solid #888;
}
/* 花里胡哨的东西 */
.bubble {
  position: absolute;
  width: 200px;
  height: 200px;
  top: 50px;
  right: 50px;
  border-radius: 50%;
  box-shadow: inset 0 0 25px rgba(255, 255, 255, 0.25);
  animation: animate_4010 8s ease-in-out infinite;
}
.bubble:nth-child(2) {
  position: relative;
  zoom: 0.45;
  left: -10px;
  top: -100px;
  animation-delay: -4s;
}
.bubble:nth-child(3) {
  position: relative;
  zoom: 0.45;
  right: -80px;
  top: -300px;
  animation-delay: -6s;
}
.bubble:nth-child(4) {
  position: relative;
  zoom: 0.35;
  left: -120px;
  bottom: -200px;
  animation-delay: -3s;
}
.bubble:nth-child(5) {
  position: relative;
  zoom: 0.5;
  left: 0px;
  top: 200px;
  animation-delay: -5s;
}
@keyframes animate_4010 {
  0%,
  100% {
    transform: translateY(-20px);
  }
  50% {
    transform: translateY(20px);
  }
}
.bubble::before {
  content: '';
  position: absolute;
  top: 50px;
  left: 45px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #fff;
  z-index: 10;
  filter: blur(2px);
}
.bubble::after {
  content: '';
  position: absolute;
  top: 80px;
  left: 80px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  z-index: 10;
  filter: blur(2px);
}
.bubble span {
  position: absolute;
  border-radius: 50%;
}
.bubble span:nth-child(1) {
  inset: 10px;
  border-left: 15px solid #0fb4ff;
  filter: blur(8px);
}
.bubble span:nth-child(2) {
  inset: 10px;
  border-right: 15px solid #ff4484;
  filter: blur(8px);
}
.bubble span:nth-child(3) {
  inset: 10px;
  border-top: 15px solid #ffeb3b;
  filter: blur(8px);
}
.bubble span:nth-child(4) {
  inset: 30px;
  border-left: 15px solid #ff4484;
  filter: blur(12px);
}
.bubble span:nth-child(5) {
  inset: 10px;
  border-bottom: 10px solid #fff;
  filter: blur(8px);
  transform: rotate(330deg);
}
/* 左侧气泡效定位加文字效果 */
.yw {
  position: absolute;
  left: 50px;
  top: 50px;
  color: #fff;
  font-weight: bold;
  font-size: 18px;
  opacity: 0.5;
}
/* 新增案例模块改变位置排列 */
.addCases {
  align-content: flex-start;
}
/* 删除操作按钮 */
.remove {
  position: absolute;
  top: 12px;
  right: 5px;
  width: 20px;
  height: 20px;
  border-radius: 3px;
  opacity: 0.3;
  cursor: pointer;
}
